<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <h1>登录页面</h1>
    <input type="text" placeholder="用户名" v-model="user.username"><br>
    <input type="password" placeholder="密码" v-model="user.password"><br>
    <input type="checkbox" v-model="user.rem">记住用户名和密码<br>

    <input type="button" value="登录" @click="login()">
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    let v = new Vue({
        el:"body>div",
        data:{
            user:{
                username:"",
                password:"",
                rem:false
            }
        },
        methods:{
            login(){
                axios.post("/login",v.user).then(function (response) {
                    if (response.data==1){
                        alert("登录成功");
                        location.href ="/";
                    }else if (response.data==2){
                        alert("用户名不存在!");
                    }else {
                        alert("密码错误!")
                    }
                })
            }
        },
        created:function () {
            let arr =document.cookie.split(";");
            //遍历
            for (let cookie of arr) {
                //username=mcl或 password=0321
                let cookieArr =cookie.split("=");
                let name =cookieArr[0].trim();
                let value =cookieArr[1];
                if (name=="username"){
                    this.user.username=value;
                }else if (name=="password"){
                    this.user.password=value;
                }
            }
        }
    })
</script>
</body>
</html>